On the current firmware, you can create your own ".cfg" file and add your private header for each game. This is much easier than the old way. The new firmware requires you to have a .cfg file for each game so it can read your game saves. This is the same .cfg you add your private header to.
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if they get permission from 4j (the studio who helped put minecraft on consoles), they could put the console edition tutorial worlds in the game, as seeds
and i mean all of them (if not, maybe a few highlights, like TU1, TU31, and TU69)